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  <meta charset="UTF-8">
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  <title>Document</title>
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  <script>
    // 字符串在js中作为基本数据类型
    const str1 = "shiyu"

    const str2 = new String("shiyu")

    const str3 = "shiyu"

    console.log(str1 === str3)

  </script>
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